The Red spectrum has disappeared. I have tried going back to yesterday but this did not work, is there anyone who may have a clue as to what has happened, please.
check all the cables are plugged in firmly I've seen this happen when
a base unit was move back against the wall and the cable or video card
has been loosened. If you've tried re=-plugging every thing and it
still has no red try the monitor on a friends PC. it could be the red
gun has failed if the monitor still works the problem could be the
graphics card itself.
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